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Study on microwave dielectric properties of epoxy resin mixtures used for rapid product development

Yarlagadda, Prasad K. (2001) Study on microwave dielectric properties of epoxy resin mixtures used for rapid product development. Acta Metallurgica Sinica (English Letters), 14(1), pp. 1-12.

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Abstract

This paper presents a preliminary study on the dielectric properties and curing of three different types of epoxy resins mixed at various stichiometric mixture of hardener, flydust and aluminium powder under microwave energy. In this work, the curing process of thin layers of epoxy resins using microwave radiation was investigated as an alternative technique that can be implemented to develop a new rapid product development technique. In this study it was observed that the curing time and temperature were a function of the percentage of hardener and fillers presence in the epoxy resins. Initially dielectric properties of epoxy resins with hardener were measured which was directly correlated to the curing process in order to understand the properties of cured specimen. Tensile tests were conducted on the three different types of epoxy resins with hardener and fillers. Modifying dielectric properties of the mixtures a significant decrease in curing time was observed. In order to study the microstructural changes of cured specimen the morphology of the fracture surface was carried out by using scanning electron microscopy.

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ID Code: 23642
Item Type: Journal Article
Keywords: Microwaves, Curing Time, Epoxy Resins, Rapid Product Development
ISSN: 1006-7191
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MATERIALS ENGINEERING (091200) > Polymers and Plastics (091209)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2001 Chinese Society For Metals
Deposited On: 18 Jun 2009 00:02
Last Modified: 17 Jun 2011 12:32

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